package com.kx.realm;

import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.AuthenticationInfo;
import org.apache.shiro.authc.AuthenticationToken;
import org.apache.shiro.authc.SimpleAuthenticationInfo;
import org.apache.shiro.authz.AuthorizationInfo;
import org.apache.shiro.realm.AuthorizingRealm;
import org.apache.shiro.subject.PrincipalCollection;

/**
 * 自定义realm实现 将认证/授权数据的来源转化为数据库的实现
 */
public class CustomerRealm extends AuthorizingRealm {
    //授权
    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
//        System.out.println("============================");
        return null;
    }

    //认证
    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws AuthenticationException {
        //在token中获取用户名
        String principal = (String) token.getPrincipal();
        System.out.println(principal);
        //根据身份信息使用jdbc mybatis查询相关数据库
        if ("kx".equals(principal)) {
            //principal：返回数据库中正确的用户名
            //credentials：返回数据库中正确的密码
            //参数3：提供当前realm的名字，this.getName()
            SimpleAuthenticationInfo simpleAuthenticationInfo = new SimpleAuthenticationInfo("kx", "123", this.getName());
            return simpleAuthenticationInfo;
        }
        return null;
    }
}
